<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form
        style="padding: 0 25px"
        :model="formDate"
        :rules="rules"
        ref="formDateLogin"
      >
        <el-form-item prop="username">
          <el-input
            prefix-icon="el-icon-user"
            placeholder="请输入用户名"
            v-model="formDate.username"
          ></el-input>
        </el-form-item>

        <el-form-item prop="password">
          <el-input
            prefix-icon="el-icon-lock"
            placeholder="请输入密码"
            v-model="formDate.password"
          ></el-input>
        </el-form-item>

        <el-form-item>
          <el-button type="primary" style="width: 100%" @click="login"
            >登录</el-button
          >
          <el-link type="info" @click="$router.push('/reg')">去注册</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: "Login",
  data() {
    return {
      formDate: {
        username: "",
        password: "",
      },
      rules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            pattern: /^[0-9a-zA-Z]{1,10}$/,
            message: "请输入1-10位的用户名",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入用户密码", trigger: "blur" },
          {
            pattern: /^\S{6,15}$/,
            message: "请输入6-15位的密码",
            trigger: "blur",
          },
        ],
      },
    };
  },
  // 1.绑定点击事件
  // 2.兜底校验
  // 3.发送ajax请求
  // 4.获取token,保存到vuex
  // 5.带着token跳转页面
  methods: {
    // 1.绑定点击事件
    login() {
      // 2.兜底校验
      this.$refs.formDateLogin.validate(async (valid) => {
        // valid 是 布尔值 ,合理的意思 /
        if (!valid) return;
        // 3.发送ajax请求
        const { data: res } = await this.$http.post(
          "/api/login",
          this.formDate
        );
        // 没有注册成功则提示用户        console.log(res);
        if (res.code != 0) return this.$message.error(res.message);
        // 4.获取token,保存到vuex
        // 通过创建变量接收来自登录时获取的token
        this.$store.commit("getToken",res.token);
        // this.$message.success(res.message);
        this.$router.push('/')
      });
    },
  },
};
</script>

<style lang="less" scoped>
.reg-container {
  background: url("../../assets/images/login_bg.jpg") center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url("../../assets/images/login_title.png") center no-repeat;
    }
  }
}
</style>